The use of network physicians to provide medical care to injured workers in California rose sharply in 2005 -- immediately after Medical Provider Networks (MPNs) first became available in California workers’ compensation, expanding employer medical control from 30 days to the life of the claim...

How does a defendant prove that it sent the proper notices in compliance with Knight, and when exactly will it be liable for treatment procured outside of the MPN?
There have been several cases as of late addressing MPN issues. Specifically, there has been Knight v. United Parcel Service (2006) 71...